coreutils/lib/atexit.c

/* Wrapper to implement ANSI C's atexit using SunOS's on_exit. */
/* This function is in the public domain.  --Mike Stump. */

#include "config.h"

int
atexit (void (*f) (void))
{
  /* If the system doesn't provide a definition for atexit, use on_exit
     if the system provides that.  */
  on_exit (f, 0);
  return 0;
}